package com.gx.config;

import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

//AOP  拦截器
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    //授权
    @Override
    protected void configure(HttpSecurity http) throws Exception {

        //首页所有人可以访问，功能页只有对应有权限的人才能访问
        //请求授权的规则
        http.authorizeRequests().antMatchers("/").permitAll()
                .antMatchers("/level11/**").hasRole("vip1")
                .antMatchers("/level2/**").hasRole("vip2")
                .antMatchers("/level3/**").hasRole("vip3");

        //没有权限默认会到登录页面，需要开启登录的页面
        //定制登录页loginPage("/toLogin")
        http.formLogin().loginPage("/toLogin").usernameParameter("user").passwordParameter("pwd").loginProcessingUrl("/login");

        //防止网站工具，get，post
        http.csrf().disable();//关闭csrf功能,登录可能失败的原因
        //注销  开启了注销功能，跳到首页
        http.logout().logoutSuccessUrl("/");

        //开启记住我功能  cookie,默认保存两周，自定义接收前端的参数
        http.rememberMe().rememberMeParameter("remember");

    }

    //认证，spring boot2.1.x可以直接使用
    //密码编码：passwordEncoder
    //在spring security 5.0+新增了很多加密的方法
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {

        //这些数据正常应该从数据库中读
        auth.inMemoryAuthentication().passwordEncoder(new BCryptPasswordEncoder())
                .withUser("shen").password(new BCryptPasswordEncoder().encode("123456")).roles("vip2","vip3")
                .and()
                .withUser("root").password(new BCryptPasswordEncoder().encode("123456")).roles("vip1","vip2","vip3")
                .and()
                .withUser("guest").password(new BCryptPasswordEncoder().encode("123456")).roles("vip1");


    }
}
